George, who stands 5 feet tall, finds himself 6 feet in front of a convex lens and he sees his image reflected 31 feet b
Posted: Wed May 18, 2022 8:41 am
George, who stands 5 feet tall, finds himself 6 feet in front of
a convex lens and he sees his image reflected 31 feet behind the
lens. What is the focal length of the lens?
a convex lens and he sees his image reflected 31 feet behind the
lens. What is the focal length of the lens?